Global energy infrastructure leader, Prolec GE, a Prolec subsidiary of a joint venture between GE and Xignux, a Mexico-based private company, today announced additional manufacturing investments of $85 million to meet unprecedented North American demand for single-phase pad-mount transformers. Prolec GE will increase its manufacturing capacity in Monterrey by equipping a new facility capable of annually duplicating the number of transformers produced at its existing Mexico facility.